| Acronym | Meaning |
 | NDU | National Defense University |
| MSPB | Merit Systems Protection Board |
| DOD | Department Of Defense |
| OFA | Office Of Family Assistance |
| IRS | Internal Revenue Service |
| MARAD | Maritime Administration |
| TSI | Transportation Safety Institute |
| RD | Rural Development |
| FRA | Federal Railroad Administration |
| ILAB | Bureau Of International Labor Affairs |
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